The company is part of the large Japanese porn conglomerate, the Hokuto Corporation, and it markets its products through Hokuto's sales outlet, the DMM website. In 2006 Tameike started his own adult video production company, named Goro Tameike, which released its first productions in February 2006. Special Award - Mature Woman Video for Slave Mother-in-Law.Best Mature Video for Sayuri Shiraishi, Stepmother Slave.Award for Excellence for It's the Occupation of Million's Girls!.Academy Award Prize for The Woman Called Nao.Tameike started his own video production company, named Goro Tameike, in 2006 with the first videos being released in February 2006. Tameike and his wife Kawana were among the 17 people interviewed for Misato Nakayama's study of professionals in the adult industry, 性職者の人々あの世界の仕事師たち ( Sei Shoku Sha No Hitobito Ano Sekai No Shigotoshi Tachi ?), published January 2006 by Ohzora ( ISBN 4-7767-9229-X). In August 2003 Tameike married Mariko Kawana and he directed her retirement video Mariko Last Love which was released by Moodyz in March 2004. Tameike also directed for Moodyz where he had his own label 'Goro Tameike' beginning in December 2003. In April 2002, Tameike also joined the newly independent company KM Produce (KMP) and directed a number of works for the studio, many of them featuring AV Idols Nao Oikawa and Hitomi Hayasaka. When SOD director Tohjiro left that company to form his own studio Dogma in February 2001, Tameike started working for the new company as a director. He has said in an interview that a Mature Woman is not the same as an 'old woman', the Mature Woman has become beautiful through her life experiences. Tameike was to take the 'Beautiful Mature Woman' (美熟女) genre as his own. Japanese AV columnist Kemuta Otsubo marks this as one of the earliest adult videos in the 'mature woman' (熟女) genre although older women had previously appeared in theatrical porn films. Tameike has had a long association with Soft On Demand (SOD) and he directed the September 1999 SOD release 34 Year Old Mother Mariko, the debut video of his future wife, Mariko Kawana.

After working as an assistant director, he began directing adult videos from as early as 1994 for the Max-A Samansa label. He graduated from the Law School of Meiji University.

Tameike goro